Home / 1,520,192.53-2,097,865.60-831,864.47

Finding the Fourth Proportional to 1,520,192.53, 2,097,865.60 and 831,864.47

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Solution

The fourth proportional to 1,520,192.53, 2,097,865.60 and 831,864.47 is: 1,147,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,192.53 : 2,097,865.60 = 831,864.47 : x
  2. Step 2: Convert to fraction form
    1,520,192.53/2,097,865.60 = 831,864.47/x
  3. Step 3: Cross multiply
    1,520,192.53x = 2,097,865.60 × 831,864.47
  4. Step 4: Simplify right side
    1,520,192.53x = 1,745,139,842,906.24
  5. Step 5: Solve for x
    x = 1,745,139,842,906.24/1,520,192.53
  6. Step 6: Final answer
    x = 1,147,972.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.